SJ200 Inverter
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| “B” Function | Run |
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Func. | Name / |
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Code | SRW Display | (EU) | (USA) |
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B001 | Selection of automatic | Select inverter restart method, | ✘ | 00 | 00 |
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| restart mode |
| four option codes: |
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| 00... Alarm output after trip, |
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| IPS POWR | ALM |
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| no automatic restart |
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| 01... Restart at 0Hz |
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| 02... Resume operation after |
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| frequency matching |
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| 03... Resume previous freq. |
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| after freq. matching, then |
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| decelerate to stop and display |
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| trip info. |
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B002 | Allowable under- | The amount of time a power | ✘ | 1.0 | 1.0 |
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| voltage power failure | input |
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| time |
| without tripping the power |
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| failure alarm. Range is 0.3 to |
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| IPS Time 0001.0s |
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| 25 sec. If |
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| longer than this time, the |
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| inverter trips, even if the restart |
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| mode is selected. |
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| Configuring ParametersDrive | |
B003 | Retry wait time before | Time delay after | ✘ | 1.0 | 1.0 |
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| motor restart |
| condition goes away, before |
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| the inverter runs motor again. |
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| IPS Wait 0001.0s |
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| Range is 0.3 to 100 seconds. |
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B004 | Instantaneous power | Two option codes: | ✘ | 00 | 00 |
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| failure / | 00... Disable |
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| trip alarm enable |
| 01... Enable |
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| IPS TRIP | OFF |
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B005 | Number of restarts on | Two option codes: | ✘ | 00 | 00 |
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| power failure / under- | 00... Restart 16 times |
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| voltage trip events | 01... Always restart |
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| IPS RETRY | 16 |
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Electronic Thermal Overload Alarm Setting
The thermal overload detection protects the inverter and motor from overheating due to an excessive load. It uses a current/inverse time curve to determine the trip point.
First, use B013 to select the torque characteristic that matches your load. This allows the inverter to utilize the best thermal overload characteristic for your application.
Torque
100%
80%
60%
0 | Hz |
120 |
The torque developed in a motor is directly proportional to the current in the windings,
which is also proportional to the heat generated (and temperature, over time). Therefore,